Double-rod multi-stage diffraction active dual-control variable-damping magneto-rheological damper

A magnetorheological damper and variable damping technology, applied in shock absorbers, shock absorbers, springs/shock absorbers, etc., can solve the problems of small damping force and inaccurate damping control, and achieve large damping force, The effect of easy and precise control of damping force

Inactive Publication Date: 2015-12-16
CHANGZHOU UNIV
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Problems solved by technology

[0003] The technical problem to be solved by the present invention is: aiming at the problems of small damping force and inaccurate damping control existing in the prior art, the present invention provides an electric motor with reasonable structure, gradually changing working gap and symmetrical magnetic field distribution, large damping force and high precision. Controlled Magnetorheological Damper

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  • Double-rod multi-stage diffraction active dual-control variable-damping magneto-rheological damper
  • Double-rod multi-stage diffraction active dual-control variable-damping magneto-rheological damper

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Embodiment Construction

[0011] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0012] see figure 1 and figure 2 As shown, the dual-rod multi-stage diffraction active dual-control variable damping magneto-rheological damper of the present invention includes a rheological fluid cylinder module 1, and two groups of the same structure are installed on two rheological fluid cylinder modules 1 respectively. The end cover module 2 at the end, the two sets of structure are completely identical, and the diffraction piston module 3, the magnetorheological fluid 6 and the power supply 5 are symmetrically installed inside the rheological fluid cylinder module 1.

[0013] see figure 1 and figure 2 As shown, the rheological fluid cylinder module 1 includes a coil cylinder 13 with a constant inner diameter and a cylindrical shape, a first coil 12 installed in the groove on the outer wall of the coil cylinder 13, and a coi...

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Abstract

The invention discloses a double-rod multi-stage diffraction active dual-control variable-damping magneto-rheological damper, and belongs to the field of variable-damping magneto-rheological fluid instruments. The damper comprises a rheological fluid cylinder module, two sets of end cap modules completely identical in structure, two sets of diffraction piston modules completely identical in structure, magneto-rheological fluid and a power supply. The rheological fluid cylinder module comprises a coil cylinder body, a first coil and a first coil shielding layer. Each diffraction piston module comprises a diffraction piston body, a second coil, a second coil protective layer and a piston rod, wherein the diffraction piston body is provided with a bent through diffraction hole with the inner diameter gradually changed. When the diffraction piston modules move, the magneto-rheological fluid can flow between a rheological fluid lateral chamber and a rheological fluid central chamber. The magneto-rheological damper is reasonable in structure, has a gradually-changed work gap and symmetric magnetic field distribution, is large in damping force and can be controlled in a high precision mode.

Description

technical field [0001] The invention relates to the field of variable damping magnetorheological fluid instruments, in particular to a dual-rod multi-stage diffraction active dual-control variable damping magnetorheological damper. Background technique [0002] Under the action of a magnetic field, the magnetorheological fluid can be transformed from a Newtonian fluid to a Bingham semi-solid fluid within milliseconds, and can return to its original state after the magnetic field is removed. The magnetorheological damper made of magnetorheological fluid has the characteristics of small size, fast response and adjustable damping force. The working principle of the magnetorheological dampers in the prior art is basically the same, that is, the magnetic field generated by the excitation coil is used to change the shear yield strength of the magnetorheological fluid flowing in a constant working gap, so as to realize the control of the damping force. Although the magnetorheologi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16F9/53F16F9/34
Inventor 班书昊李晓艳蒋学东华同曙席仁强谭邹卿
Owner CHANGZHOU UNIV
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